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Finding the Third Proportional to 175,518 and 264,828

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Solution

The third proportional to 175,518 and 264,828 is: 399,582.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    175,518 : 264,828 = 264,828 : x
  2. Step 2: Convert to fraction form
    175,518/264,828 = 264,828/x
  3. Step 3: Cross multiply
    175,518x = 264,828 × 264,828
  4. Step 4: Simplify right side
    175,518x = 70,133,869,584
  5. Step 5: Solve for x
    x = 70,133,869,584/175,518
  6. Step 6: Final answer
    x = 399,582.21

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.